#!/bin/bash
#
# vhost-stack
# https://git.stack-source.com/msb/vhost-stack
# MIT License Copyright (c) 2021 Matthew Saunders Brown

# load include file
source $(dirname $0)/vhost.sh

help()
{
  thisfilename=$(basename -- "$0")
  echo "Rebuild jail for specified user."
  echo ""
  echo "usage: $thisfilename username [OPTIONS]"
  echo ""
  echo "  -h            Print this help."
  exit
}

# check for and set username
if [ -n "$1" ]; then
  if [ $1 == "-h" ]; then
    help
  else
    username="${1,,}"
  fi
else
  echo "username not set"
  exit 1
fi

if ! grep -q "^$username:" /etc/passwd; then
  echo "$username is not installed on this server"
  exit 1
fi

if [[ ! -d /home/$username ]]; then
  echo "/home/$username does not exists"
  exit 1
fi

if [[ ! -d "/usr/jails/$username" ]]; then
  echo "/usr/jails/$username does not exists"
  exit 1
fi

if ! grep -q ":/usr/jails/$username/./home/$username:" /etc/passwd; then
  echo "$username does not have jail home dir set"
  exit 1
fi

# check if any virtualhosts exist
if [ "$(ls -A /usr/jails/$username/srv/www)" ]; then
  # set virtualhosts array
  cd /usr/jails/$username/srv/www/
  virtualhosts=(*)
  # unmount virtualhost dir(s)
  for virtualhost in "${!virtualhosts[@]}"
  do
    virtualhost=${virtualhosts[$virtualhost]}
echo    umount /usr/jails/$username/srv/www/$virtualhost
  done
fi

# unmount jail home dir
echo umount /usr/jails/$username/home/$username

# del jail dir
echo rm -r /usr/jails/$username

# (re)create jail
echo jk_init -k -j /usr/jails/$username shellstack
echo mkdir -p /usr/jails/$username/opt /usr/jails/$username/usr/sbin /usr/jails/$username/tmp /usr/jails/$username/srv/www
echo ln -s /usr/local/sbin/mini_sendmail /usr/jails/$username/usr/sbin/sendmail
echo chmod a+rwx /usr/jails/$username/tmp
echo install -d -o $username -g $username -m 755 /usr/jails/$username/home/$username
echo jk_jailuser -n -j /usr/jails/$username -s /bin/bash $username

# remount dirs
echo mount /usr/jails/$username/home/$username
virtualhostcount=${#virtualhosts[@]}
if [ "$virtualhostcount" -gt 0 ]; then
  for virtualhost in "${!virtualhosts[@]}"
  do
    virtualhost=${virtualhosts[$virtualhost]}
echo     install -d -o $username -g $username -m 755 /usr/jails/$username/srv/www/$virtualhost
echo     mount /usr/jails/$username/srv/www/$virtualhost
  done
fi